CN110423347A - A kind of natural dye dying promotor and the preparation method and application thereof method - Google Patents
A kind of natural dye dying promotor and the preparation method and application thereof method Download PDFInfo
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- CN110423347A CN110423347A CN201910653019.9A CN201910653019A CN110423347A CN 110423347 A CN110423347 A CN 110423347A CN 201910653019 A CN201910653019 A CN 201910653019A CN 110423347 A CN110423347 A CN 110423347A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/02—Polyamines
- C08G73/0206—Polyalkylene(poly)amines
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/02—Polyamines
- C08G73/0206—Polyalkylene(poly)amines
- C08G73/0213—Preparatory process
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/34—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using natural dyestuffs
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
- D06P1/5264—Macromolecular compounds obtained otherwise than by reactions involving only unsaturated carbon-to-carbon bonds
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/02—Material containing basic nitrogen
- D06P3/04—Material containing basic nitrogen containing amide groups
- D06P3/14—Wool
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
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Abstract
The invention discloses a kind of textile dyestuff dyeing promoters, especially a kind of natural dye dying promotor, for a kind of high molecular polymer, using dimethylamine, cyclic structure monomer (methyl ring pentanediamine, 1,4- cyclohexanediamine, 1,3- cyclohexanediamine) and epoxychloropropane be polymerized monomer, carry out polycondensation reaction, it generates one kind and contains cationic structural, the macromolecule natural dye dying promotor of cyclic annular hydrophobic structure and reactable structure.The natural dye dying promotor prepared using the above method, after pre-processing to cotton, fiber crops, wool fabric, then is carried out natural dye dying, can greatly improve the dye-uptake of natural dye, to greatly reduce the waste of natural dye.Meanwhile the preparation method and application method of above-mentioned natural dye dying promotor are also disclosed in the present invention.
Description
Technical field
The present invention relates to a kind of textile dyestuff dyeing promoter, especially a kind of natural dye dying promotor.Meanwhile this
The preparation method and application method of above-mentioned natural dye dying promotor are also disclosed in invention.
Background technique
Health is advocated in the whole world, advocates environmental-friendly, the cry of " back to nature " increasingly strong today, synthetic dyestuffs pair
The nocuity of human body and the disadvantages of pollution of environment, is had been to be concerned by more and more people.And natural dye is extracted from organism
, not only to no damage to human body, there are also the healthcare functions such as antibacterial, anti-inflammatory for the natural dye partially extracted from Chinese herbal medicine, and
Being compatible with the environment property is good, biodegradable.Due to the above advantages, very burning hot to the research of natural dye at present.Although
Natural dye has many advantages, such as that the shortcomings that above, but its dye-uptake is low, poor color fastness is also very prominent.Especially in cellulose
When stock-dye, disadvantages mentioned above is more significant.Dye-uptake is low to cause natural dye when dyeing largely to remain in dye bath, causes tight
It wastes again, while also leading to not dye deep-colour fabric, can only obtain compared with light colour.Poor color fastness directly affects natural dye dye
The taking of yarn dyed fabric, when washing, seriously fade, and serious discoloration occurs for fabric, this will directly reduce, even give up consumer couple
The desire to purchase of such product.
The research carried out aiming at the problem that, poor color fastness low natural dye dye-uptake both at home and abroad, concentrates on mediator method at present
Dyeing and cation modified dyeing.Mediator method dyeing is by aluminum aluminum sulfate, potassium bichromate, stannous chloride, ferrous sulfate and sulphur
The complexing of heavy metal ion in the mordants such as sour copper, dyestuff and fiber are linked together, thus improve dye-uptake and
Dyefastness.Although mordant dyeing can improve the dye-uptake of natural dye, washing fastness, there is also various drawbacks for its own.
It is the potential threat to human health on the textile using heavy metal, pollutes the environment with dyeing residual liquid discharge；Mordant dyeing dye
Fabric chromatic luminosity and vividness out is relatively low, and tone is partially grey in general；Mordant can change the form and aspect of natural dye, from
And obtain different colors, but this will also result in dyeing it is unstable, be unfavorable for industrialized production.Cation-modified poststaining technique
It is to make fiber cation, reinforcing fiber is to the adsorption capacity of natural dye, to improve dye-uptake and dyefastness.But
At present in modified method modifying agent used be mostly salt-free dyeing and pigment dyeing traditional modifying agent, due to natural dye molecular structure
There are great differences with reactive dye and coating, therefore such modifying agent is lower to the rush dye efficiency of natural dye, usual dosage
10% (o.w.f) or more is needed, dye-uptake could be doubled to left and right.In addition, variety classes natural dye molecular structure difference
Very big, after depending merely on cationization electrostatic interaction, improves that anionic property is weaker or the effect of the dye-uptake of non-ionic natural dye
Fruit is limited.
Therefore, it is necessary to develop one kind to effectively improve natural dye dye-uptake, and the day without harmful substances such as heavy metals
Right dyeing promotor.
Summary of the invention
A kind of natural dye dying promotor is provided the purpose of the present invention is to solve above-mentioned the deficiencies in the prior art
And the preparation method and application thereof method, natural dye dying promotor of the present invention pass through heat resistance and salt tolerance, hydrogen bond action, electrostatic
Effect, significantly improves natural dye to the dye-uptake of cellulose fibre.
To achieve the goals above, the natural dye dying promotor designed by the present invention is a kind of high molecular polymer,
Its structural unit is as shown in formula I, formula II:
In above-mentioned formula I and formula II, m and n are natural number, m:n=1:2-4；In formula II, cyclic structure is formula III or formula
IV or Formula V.
The present invention also provides the preparation methods of above-mentioned natural dye dying promotor, include the following steps:
1) epoxychloropropane and water are added in reactor, is warming up to 50-70 DEG C, then starts that dimethylamine is added dropwise, during which controls
Temperature processed is not higher than 70 DEG C；After dimethylamine is added dropwise, the reaction was continued at 60-80 DEG C 0.5 hour；
2) reaction system cools to 40-60 DEG C, starts that cyclic structure monomer is added dropwise, and during which controls temperature and is not higher than 60 DEG C；
3) after cyclic structure monomer dropping, start that epoxychloropropane is added dropwise, during which control temperature and be not higher than 70 DEG C, drop
50-80 DEG C of held for some time after adding；Reach 1000-3000mPa.s to reaction system viscosity, is rapidly added acid for adjusting pH
Value 4-6, and cool down；
In above-mentioned preparation method, in step 1), dimethylamine dosage is A mol, and epoxychloropropane dosage is A × 2mol,
Water consumption is the 50-80% of final system gross mass；
In above-mentioned preparation method, in step 2), the cyclic structure monomer is methyl ring pentanediamine, Isosorbide-5-Nitrae-cyclohexanediamine
With it is any in 1,3- cyclohexanediamine；
In above-mentioned preparation method, in step 2), cyclic structure monomer dosage is Bmol, and A:B=1:2-4；
In above-mentioned preparation method, in step 3), epoxychloropropane dosage is (3B-A) mol；
In above-mentioned preparation method, in step 3), acid can be sulfuric acid, hydrochloric acid, phosphoric acid, nitric acid.
The present invention also provides the application methods of above-mentioned natural dye dying promotor: fabric is contained one in room temperature immersion
In the working solution of quantitative natural dye dying promotor, pH value is adjusted, pretreatment temperature and held for some time is warming up to, takes
Fabric washing out, drying；
Wherein, in the application method of above-mentioned natural dye dying promotor, fabric can be cotton, fiber crops, wool fabric；
In the application method of above-mentioned natural dye dying promotor, natural dye dying accelerator dosage is the 2- of fabric weight
10%；
In the application method of above-mentioned natural dye dying promotor, pH should be adjusted to 8-14；
In the application method of above-mentioned natural dye dying promotor, pretreatment temperature is 50-100 DEG C；
In the application method of above-mentioned natural dye dying promotor, soaking time is 20-60 minutes.
To contaminate (the K/S value) of natural dye dying promotor pretreating fabrics on mulberries, purple tender and chestnut shell natural dye
Evaluate natural dye dying promotor pretreating effect.K/S value is bigger, shows that dye-uptake is higher, natural dye dying promotor
Effect is better.
The present invention uses dimethylamine, cyclic structure monomer (methyl ring pentanediamine, 1,4- cyclohexanediamine, 1,3- cyclohexanediamine)
It is polymerized monomer with epoxychloropropane, carries out polycondensation reaction, generates one kind and contain cationic structural, cyclic annular hydrophobic structure and can be anti-
The macromolecule natural dye dying promotor of answering property structure.Using the above method prepare natural dye dying promotor, to cotton,
After fiber crops, wool fabric are pre-processed, then natural dye dying is carried out, the dye-uptake of natural dye can be greatly improved, thus significantly
Reduce the waste of natural dye.
Compared with prior art, the present invention has the advantage that
(1) natural dye dying promotor of the present invention is big to cotton, fiber crops, woolen affinity, is conducive to master when dipping uses
It is dynamic to be adsorbed on fabric, therefore dosage is smaller.
(2) pass through electrostatic interaction containing cationic structural, cyclic annular hydrophobic structure in natural dye dying promotor of the present invention
And heat resistance and salt tolerance, natural dye can be actively adsorbed, dye-uptake when greatly improving natural dye dying.
(3) contain great amount of hydroxy group and epoxy group in natural dye dying promotor of the present invention, by hydrogen bond action and covalently
Key can improve the color fastness of natural dye dying fabric.
(4) heavy metal etc. is free of in natural dye dying promotor of the present invention to the ingredient of human health, is relatively used
The medium decoration method that heavy metal makees mordant is more safe and environment-friendly.
Detailed description of the invention
Fig. 1 is the infrared spectrum of natural dye dying promotor prepared by the embodiment of the present invention 1；
Fig. 2 is the infrared spectrum of natural dye dying promotor prepared by the embodiment of the present invention 2；
Fig. 3 is the infrared spectrum of natural dye dying promotor prepared by the embodiment of the present invention 3；
Fig. 4 is the infrared spectrum of natural dye dying promotor prepared by the embodiment of the present invention 4.
Specific embodiment
Experimental method used in following embodiments is conventional method unless otherwise specified.
The materials, reagents and the like used in the following examples is commercially available unless otherwise specified.
In embodiment 1-4, each raw material dosage is as shown in table 1 in the preparation process of natural dye dying promotor.
Each raw material proportioning in 1 natural dye dying promotor preparation method of table
Note: raw material dosage unit is gram.
In the following embodiments of the present invention, it is as follows that natural dye dying promotor pre-processes poststaining technique: dye dosage
4%, bath raio 1:20,2 DEG C/min heating rate is warming up to 95 DEG C, keeps the temperature 60min, takes out, soaps, the K/S of measurement dyeing cloth specimen
Value.Dyestuff is mulberries, purple tender and chestnut shell natural dye.
Embodiment 1
Each raw material dosage is as shown in 1 embodiment 1 of table in the preparation of the present embodiment natural dye dying promotor.
One, natural dye dying promotor is prepared
Epoxychloropropane (18.5g) and water are added in four-hole boiling flask, is warming up to 70 DEG C, starts that dimethylamine, control temperature is added dropwise
Degree is lower than 70 DEG C.After dimethylamine is added, 70 DEG C keep the temperature 0.5 hour.50 DEG C are cooled to, methyl ring pentanediamine is added dropwise, during which
It controls temperature and is not higher than 60 DEG C, after being added dropwise, start that remainder epoxychloropropane is added dropwise, during which control temperature and be not higher than 70
DEG C, 3.5 hours are kept the temperature for 70 DEG C after being added dropwise, and system viscosity reaches 1100mPa.s, is rapidly added the concentrated sulfuric acid and cools down.
Natural dye dying promotor manufactured in the present embodiment, structural formula is as shown in structural formula VI.
M:n=1:4 in structure above VI.
Fig. 1 is the infrared spectrum of the natural dye dying promotor prepared in embodiment 1,1380cm in figure-1For in the face O-H
Flexural vibrations peak, 1060cm-1For the stretching vibration peak of C-O key, 800cm-1For CH2The stretching vibration peak of-Cl, above this point of proof
In minor structure contain the chloro- 2- hydroxypropyl of 3-, the group can under alkaline condition closed-loop shaped at epoxy group；1440cm-1It belongs to
With-N+Be connected double methyl (CH3)2Typical symmetrical bending vibration, 1260cm-1For the stretching vibration peak of C-N key, it was demonstrated that molecule knot
The presence of quaternary ammonium group in structure；2940cm-1Place is-CH2Stretching vibration absworption peak, this peak intensity is very big, illustrates molecular structure
In contain a large amount of-CH2, the presence of cyclopenta in indirect proof molecular structure.
Two, natural dye dying promotor pre-processes cotton fabric
It 10 grams of pure cotton knitting fabric, immerses in room temperature containing natural dye dying promotor synthesized in 1 gram of embodiment 1
100 grams of working solution in, adjust pH value to 9, be warming up to 60 DEG C, keep the temperature 40 minutes, take out fabric washing, drying.
In the application method of above-mentioned natural dye dying promotor, fabric can be cotton, fiber crops, wool fabric；
In the application method of above-mentioned natural dye dying promotor, natural dye dying accelerator dosage is the 2- of fabric weight
10%；
In the application method of above-mentioned natural dye dying promotor, pH should be adjusted to 8-14；
In the application method of above-mentioned natural dye dying promotor, pretreatment temperature is 50-100 DEG C；
In the application method of above-mentioned natural dye dying promotor, soaking time is 20-120 minutes.
Three, natural dye dying promotor pre-processes cotton fabric natural dye dying
K/S value of the above-mentioned pretreated cotton fabric after mulberries, the dyeing of purple tender and chestnut shell natural dye be respectively
9.45,2.1,4.45, compared to direct staining (K/S value is respectively 0.78,0.82,0.81) is not pre-processed, dye-uptake significantly mentions
It is high.
Embodiment 2
Each raw material dosage is as shown in 1 embodiment 2 of table in the preparation of the present embodiment formaldehyde catching agent.
One, natural dye dying promotor is prepared
Epoxychloropropane (18.5g) and water are added in four-hole boiling flask, is warming up to 60 DEG C, starts that dimethylamine, control temperature is added dropwise
Degree is lower than 70 DEG C.After dimethylamine is added, 80 DEG C keep the temperature 0.5 hour.40 DEG C are cooled to, methyl ring pentanediamine is added dropwise, during which
It controls temperature and is not higher than 60 DEG C, after being added dropwise, start that remainder epoxychloropropane is added dropwise, during which control temperature and be not higher than 70
DEG C, 4 hours are kept the temperature for 60 DEG C after being added dropwise, and system viscosity reaches 3000mPa.s, is rapidly added hydrochloric acid and cools down.
Natural dye dying promotor manufactured in the present embodiment, structural formula is as shown in structural formula VII.
M:n=1:3 in structure above VII.
Fig. 2 is the infrared spectrum of the natural dye dying promotor prepared in embodiment 2,1391cm in figure-1For in the face O-H
Flexural vibrations peak, 1069cm-1For the stretching vibration peak of C-O key, 810cm-1For CH2The stretching vibration peak of-Cl, above this point of proof
In minor structure contain the chloro- 2- hydroxypropyl of 3-, the group can under alkaline condition closed-loop shaped at epoxy group；1459cm-1It belongs to
With-N+Be connected double methyl (CH3)2Typical symmetrical bending vibration, 1253cm-1For the stretching vibration peak of C-N key, it was demonstrated that molecule knot
The presence of quaternary ammonium group in structure；2954cm-1Place is-CH2Stretching vibration absworption peak, this peak intensity is very big, illustrates molecular structure
In contain a large amount of-CH2, the presence of cyclopenta in indirect proof molecular structure.
Two, natural dye dying promotor pre-processes linen
Pure 10 grams of fabric of tatting of fiber crops, immerses in room temperature and promotes containing natural dye dying synthesized in 0.7 gram of embodiment 2
In 100 grams of working solution of agent, pH value is adjusted to 10,50 DEG C is warming up to, keeps the temperature 60 minutes, takes out fabric washing, drying.
Three, natural dye dying promotor pre-processes linen natural dye dying
K/S value of the above-mentioned pretreated linen after mulberries, the dyeing of purple tender and chestnut shell natural dye be respectively
7.23,2.4,3.15, compared to direct staining (K/S value is respectively 0.61,0.42,0.53) is not pre-processed, dye-uptake significantly mentions
It is high.
Embodiment 3
Each raw material dosage is as shown in 1 embodiment 3 of table in the preparation of the present embodiment natural dye dying promotor.
One, natural dye dying promotor is prepared
Epoxychloropropane (18.5g) and water are added in four-hole boiling flask, is warming up to 50 DEG C, starts that dimethylamine, control temperature is added dropwise
Degree is lower than 70 DEG C.After dimethylamine is added, 60 DEG C keep the temperature 0.5 hour.50 DEG C are cooled to, Isosorbide-5-Nitrae-cyclohexanediamine is added dropwise, during which
It controls temperature and is not higher than 60 DEG C, after being added dropwise, start that remainder epoxychloropropane is added dropwise, during which control temperature and be not higher than 70
DEG C, 7 hours are kept the temperature for 50 DEG C after being added dropwise, and system viscosity reaches 2100mPa.s, is rapidly added nitric acid and cools down.
Natural dye dying promotor manufactured in the present embodiment, structural formula is as shown in structural formula VIII.
M:n=1:2 in structure above VIII.
Fig. 3 is the infrared spectrum of the natural dye dying promotor prepared in embodiment 3,1384cm in figure-1For in the face O-H
Flexural vibrations peak, 1060cm-1For the stretching vibration peak of C-O key, 793cm-1For CH2The stretching vibration peak of-Cl, above this point of proof
In minor structure contain the chloro- 2- hydroxypropyl of 3-, the group can under alkaline condition closed-loop shaped at epoxy group；1455cm-1It belongs to
With-N+Be connected double methyl (CH3)2Typical symmetrical bending vibration, 1262cm-1For the stretching vibration peak of C-N key, it was demonstrated that molecule knot
The presence of quaternary ammonium group in structure；2955cm-1Place is-CH2Stretching vibration absworption peak, this peak intensity is very big, illustrates molecular structure
In contain a large amount of-CH2, the presence of cyclohexyl in indirect proof molecular structure.
Two, natural dye dying promotor pretreatment wool fabric
10 grams of pure wool woven fabric immerses in room temperature and promotees containing natural dye dying synthesized in 0.2 gram of embodiment 3
Into in 100 grams of working solution of agent, pH value is adjusted to 11,80 DEG C is warming up to, keeps the temperature 20 minutes, takes out fabric washing, drying.
Three, natural dye dying promotor pre-processes woolen natural dye dying
K/S value of the above-mentioned pretreated wool fabric after mulberries, the dyeing of purple tender and chestnut shell natural dye be respectively
11.22,4.83,7.42, compared to direct staining (K/S value is respectively 3.21,1.89,4.71) is not pre-processed, dye-uptake is significant
It improves.
Embodiment 4
Each raw material dosage is as shown in 1 embodiment 4 of table in the preparation of the present embodiment natural dye dying promotor.
One, natural dye dying promotor is prepared
Epoxychloropropane (18.5g) and water are added in four-hole boiling flask, is warming up to 60 DEG C, starts that dimethylamine, control temperature is added dropwise
Degree is lower than 70 DEG C.After dimethylamine is added, 70 DEG C keep the temperature 0.5 hour.60 DEG C are cooled to, 1,3- cyclohexanediamine is added dropwise, during which
It controls temperature and is not higher than 60 DEG C, after being added dropwise, start that remainder epoxychloropropane is added dropwise, during which control temperature and be not higher than 70
DEG C, 2.5 hours are kept the temperature for 70 DEG C after being added dropwise, and system viscosity reaches 1500mPa.s, is rapidly added phosphoric acid and cools down.
Natural dye dying promotor manufactured in the present embodiment, structural formula is as shown in structural formula Ⅸ.
M:n=1:3 in structure above 1.
Fig. 4 is the infrared spectrum of the natural dye dying promotor prepared in embodiment 4,1396cm in figure-1For in the face O-H
Flexural vibrations peak, 1067cm-1For the stretching vibration peak of C-O key, 796cm-1For CH2The stretching vibration peak of-Cl, above this point of proof
In minor structure contain the chloro- 2- hydroxypropyl of 3-, the group can under alkaline condition closed-loop shaped at epoxy group；1458cm-1It belongs to
With-N+Be connected double methyl (CH3)2Typical symmetrical bending vibration, 1245cm-1For the stretching vibration peak of C-N key, it was demonstrated that molecule knot
The presence of quaternary ammonium group in structure；2958cm-1Place is-CH2Stretching vibration absworption peak, this peak intensity is very big, illustrates molecular structure
In contain a large amount of-CH2, the presence of cyclopenta in indirect proof molecular structure.
Two, natural dye dying promotor pre-processes cotton fabric
10 grams of pure cotton tatting fabric immerses in room temperature and promotes containing natural dye dying synthesized in 0.2 gram of embodiment 4
In 100 grams of working solution of agent, pH value is adjusted to 14,100 DEG C is warming up to, keeps the temperature 20 minutes, takes out fabric washing, drying.
Three, natural dye dying promotor pre-processes cotton fabric natural dye dying
K/S value of the above-mentioned pretreated wool fabric after mulberries, the dyeing of purple tender and chestnut shell natural dye be respectively
8.53,1.86,4.12, compared to direct staining (K/S value is respectively 0.63,0.68,0.59) is not pre-processed, dye-uptake significantly mentions
It is high.
Claims (3)
- It is a kind of high molecular polymer 1. a kind of natural dye dying promotor, structural unit such as Formulas I, Formula II:In above-mentioned Formulas I and Formula II, m and n are natural number, m:n=1:2-4；And in formula II, cyclic structure is formula III or formula IV, Or Formula V；
- 2. a kind of preparation method of natural dye dying promotor as described in claim 1, it is characterized in that including the following steps:1) epoxychloropropane and water are added in reactor, is warming up to 50-70 DEG C, then starts that dimethylamine is added dropwise, during which control temperature Degree is not higher than 70 DEG C.After dimethylamine is added dropwise, the reaction was continued at 60-80 DEG C 0.5 hour；2) reaction system cools to 40-60 DEG C, starts that cyclic structure monomer is added dropwise, and during which controls temperature and is not higher than 60 DEG C；3) after cyclic structure monomer dropping, start that epoxychloropropane is added dropwise, during which control temperature and be not higher than 70 DEG C, drip 50-80 DEG C of held for some time after finishing；Reach 1000-3000mPa.s to reaction system viscosity, is rapidly added acid for adjusting pH value 4- 6, and cool down；In step 1), the dimethylamine dosage is A mol, and epoxychloropropane dosage is A × 2mol, and water consumption is that final system is total The 50-80% of quality；In step 2), the cyclic structure monomer is methyl ring pentanediamine, Isosorbide-5-Nitrae-cyclohexanediamine and 1, any in 3- cyclohexanediamine Kind；In step 2), cyclic structure monomer dosage is Bmol, and A:B=1:2-4；In step 3), epoxychloropropane dosage is (3B-A) mol；In step 3), acid can be sulfuric acid, hydrochloric acid, phosphoric acid, nitric acid.
- 3. a kind of natural dye dying promotor as described in claim 1 is in cotton, fiber crops, woolen natural dye dying pretreatment Application method: by fabric in room temperature immerse containing a certain amount of natural dye dying promotor working solution in, adjust pH value, It is warming up to pretreatment temperature and held for some time, takes out fabric washing, drying；In above-mentioned application method, fabric can be cotton, fiber crops, wool fabric；In above-mentioned application method, natural dye dying accelerator dosage is the 2-10% of fabric weight；In above-mentioned application method, pH should be adjusted to 8-14；In above-mentioned application method, pretreatment temperature is 50-100 DEG C；In above-mentioned application method, soaking time is 20-120 minutes.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4599087A (en) * | 1984-01-03 | 1986-07-08 | Sandoz Ltd. | Treatment of textile materials to improve the fastness of dyeings made thereon |
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